Many Wisenet cameras offers alarm inputs and outputs, these are TTL outputs and are not volt free, a transistorised relay is required to obtain a volt free output.
The XNO-9083R has a 12V 50mA supply capable of powering the below transistorised relay, therefore an additional power supply for the transistorised relay is not required.
Important Information.
- The XNO-9083R has a total budget of 50mA, therefore only one relay can be directly powered from the camera.
- If two relays are required, a separate power supply will be required to power the transistorised relays as this will exceed the 50mA budget if both relays are energised at the same time.
- In the below example we have one relay connected to the Alarm 1 output of the camera.
Wiring Example.
Note - The jumper must be set to L for proper operation.
Camera Configuration.
- Navigate to the camera webpage.
Under Settings, Event, Alarm I/O.
- In this example, we have configured I/O 1 as an Output, the type has been set as N.O. Normally Open, Mode type as Pulse and Duration of 3 seconds.
The above example would be ideal for releasing a door lock or carpark barrier.
The relay used in this example has a total current draw of 50mA, therefore it is suitable to be powered from the camera.
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